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US Patent: 715,061
Photographic timer
Patentee: Elmer Harrold (exact or similar names) - Leetonia, OH USPTO Classifications: 235/64.7 Tool Categories: Assignees: Clinton G. Wilderson - Leetonia, OH Elmer Harrold - Leetonia, OH Manufacturer: Not known to have been produced Witnesses: Wilbur G. Bess Clinton G. Wilderson	Patent Dates: Applied: May 29, 1902 Granted: Dec. 02, 1902 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Crescent Machine Co.
Description: Of interest because the inventor and the assignee co-founded Crescent Machine Co. nine years before, in 1893.

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